package com.baizhi.mapper;


import com.baizhi.entity.Book;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

//这个接口继承 父接口，默认实现增删改查
public interface BookMapper extends BaseMapper<Book> {

    Book selectByName(String name);
}
